Wisconsin Pest Bulletin 12-8-16

Krista Hamilton, Entomologist, WI Dept of Agriculture, Trade and Consumer Protection

Volume 61 Issue No. 19 of the Wisconsin Pest Bulletin is now available at:


PLEASE NOTE: This final Wisconsin Pest Bulletin of 2016 provides a post-growing season summary of prevailing insect and plant disease conditions and related weather. Once again, our sincerest thanks to the many cooperators, farmers, county agents and consultants who contributed their time and valuable information to the survey program this year.

I N S I D E  T H I S  I S S U E
PEST HIGHLIGHTS OF 2016:  Brown marmorated stink bug trapped in Dane County orchards
FORAGES & GRAINS:  Potato leafhopper counts low to moderate all season long

CORN:  Corn rootworm beetle populations up in northern WI, down in the south
SOYBEAN:  Soybean aphid densities generally low in 2016
FRUITS: Blueberry maggot detected for the first time in Wisconsin
VEGETABLES:  Late blight far less prevalent in 2016 compared to 2015
NURSERY & FOREST: Detections of emerald ash borer surge this season